fix(backend): userbot follows kurigram 2.2.26, user and chat parsing is awaited, missing chat is handled

backend/src/userbot/handlers/edits.py

@@ -49,4 +49,4 @@ async def on_edited_message(client: PyroClient, message: Message) -> None:
     )
 
 
-handlers = on_edited_message.handlers
+handlers = on_edited_message.handlers  # ty: ignore[unresolved-attribute]